Home / 25,680.24-38,528.46-9,039.60

Finding the Fourth Proportional to 25,680.24, 38,528.46 and 9,039.60

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Solution

The fourth proportional to 25,680.24, 38,528.46 and 9,039.60 is: 13,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.24 : 38,528.46 = 9,039.60 : x
  2. Step 2: Convert to fraction form
    25,680.24/38,528.46 = 9,039.60/x
  3. Step 3: Cross multiply
    25,680.24x = 38,528.46 × 9,039.60
  4. Step 4: Simplify right side
    25,680.24x = 348,281,867.02
  5. Step 5: Solve for x
    x = 348,281,867.02/25,680.24
  6. Step 6: Final answer
    x = 13,562.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.